Compass, Magnetic Direct Reading, US Navy Mark IX with Plaque Northrop and Aft Left and Right

and Aft Left and Right Hand tanks

This indicator has a label of Cherry Point

Here is an original WWII-era Naval Aircraft Instrument Familiarization and Inspection Handbook

often the home airfield

Compass, Magnetic Direct Reading, US Navy Mark IX with Plaque Northrop and Aft Left and RightHere is an example of the WWII era US Navy Aircraft Direct Reading Magnetic Compass Mark IX, as used in the seaplanes PBY Catalina and PBM Mariner Patrol Bombers. The compass was illuminated electrically via bulb mounted in a small compartment over the compass itself. Inside the same compartment is access to the direction compensating screws, used to calibrate the compass. This example is in very good condition for its age. The fluid is intact but not